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How to get innerHTML of DOMNode?
...php
$doc = new \DOMDocument();
$doc->loadHTML("<body><div id='foo'><p>This is <b>an <i>example</i></b> paragraph<br>\n\ncontaining newlines.</p><p>This is another paragraph.</p></div></body>");
print innerHTML($doc-&g...
Generic htaccess redirect www to non-www
...ut this flag, apache will change the requested URL http://www.example.com/?foo%20bar to http://www.example.com/?foo%2250bar
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List vs List
...>
So:
void withWilds( List<? extends Map<String,String>> foo ){}
void noWilds( List<Map<String,String>> foo ){}
void main( String[] args ){
List<HashMap<String,String>> myMap;
withWilds( myMap ); // Works
noWilds( myMap ); // Compiler error
}
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List files with certain extensions with ls and grep
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When I run ls foo*.{tar.gz,zip} directly in a shell it works, but when put this inside a shell script latest=$(ls -I '.done' -tr ${pkgprefix}.{tar.gz,zip} | tail -1) I got an error message: ls: cannot access 'bamtools*.{tar.gz,zip}': No s...
Print newline in PHP in single quotes
...pe sequence you can use in single quotes is for the single quote itself.
$foo = 'That\'s great';
The only way you could insert a new line into a string created with single quotes is to insert a literal newline
$bar = 'That\'s
cheating';
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Using getopts to process long and short command line options
...or using the bash builtin getopts to mimic long options. That solution actually makes a short option whose character is "-". So you get "--" as the flag. Then anything following that becomes OPTARG, and you test the OPTARG with a nested case.
This is clever, but it comes with caveats:
getopts ca...
Why am I merging “remote-tracking branch 'origin/develop' into develop”?
...iverged:
git rebase -p @{u}
Explanation
git remote update -p downloads all of the commits in the remote repositories and updates the remote tracking branches (e.g., origin/master). It does NOT touch your working directory, index, or local branches.
The -p argument prunes deleted upstream branc...
Why should C++ programmers minimize use of 'new'?
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There are two widely-used memory allocation techniques: automatic allocation and dynamic allocation. Commonly, there is a corresponding region of memory for each: the stack and the heap.
Stack
The stack always allocates memory in a sequential fashion. It c...
How do servlets work? Instantiation, sessions, shared variables and multithreading
... servlet container (like Apache Tomcat) starts up, it will deploy and load all its web applications. When a web application is loaded, the servlet container creates the ServletContext once and keeps it in the server's memory. The web app's web.xml and all of included web-fragment.xml files is parsed...
Why historically do people use 255 not 256 for database field magnitudes?
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And reading into char foo[256] is important because memory management likes powers of 2. see: stackoverflow.com/questions/3190146/… Allocating char foo[257] will either fragment memory or take up 512 bytes.
– ebyrob
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